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Symmetrical Internet ... Joy or doom?

Happy New Year to you all! Here's my New Year post about (A) DSL
In many forums there are demands to make the Internet symmetrical, and in this case, several questions arise: What is

1. symmetrical or asymmetrical Internet?
2. Why do we have an asymmetrical Internet?
3. Why should the Internet be balanced in a Web 2.0-using society?
4. What speaks against a change to symmetrical Internet?

First of all the facts on symmetric or asymmetric Internet:
Everyone who has ever large file upload and download it has know the download speed is much higher than the upload speed. But why that is unknown to, for this matter to you normally do not, "it's how it is."
reason for the large differences is the type of DSL connection. In Germany there is only one type of DSL: ADSL. This is Asymmetrical the Internet, which means that the ratio upload download is not symmetrical, but the download is much faster than the upload. In the development phase of the Internet, there was another form: the symmetrical Internet, which offers exactly the same speed uploading and downloading. This was, however, with the spread of the Internet always impractical, since most users is very low upload speeds needed: Most sent up a few mails, but otherwise surfed the Internet, and loaded up images, videos, music and other large files in symmetrical Internet had taken a long time. This led then to convert to the current system. But now it turns
The question is why the Internet should not be unbalanced as it is current. Many users of Web 2.0 applications, ie systems that allow it to participate in the shaping of the Internet itself, such as video sharing, file-sharing programs, social networks, or even simple blog like this, need a fast connection to the Internet to are not constantly confronted thus to wait for the upload of files. This problem is growing exponentially with more and more files, find their place for ever larger hard drives. Now if you want to use as his mobile phone anywhere with his music and his pictures to load this data into the net angry, then some the extremely long time for it.
These problems are exacerbated by the growth of mobile Internet, and by the increasingly popular online hard drives once again increased dramatically.
But now there are also some arguments against a symmetrically oriented web. These are partly theoretical, but mostly practical reasons. The main reason is a practical one: Most readers are familiar with the saying "never touch a running system" well, and that this can be applied well to the shape of the Internet. Changes in each system are welcome, but only as long as they do not compromise the system, and during operation feasible. This is the transition symmetrical to the Internet not given.
Second, is not to be underestimated is why the question of whether we as a society at all, that all our data available on any server or on the Internet. If our houses photographed by Google Street View, so we encourage ourselves to it, just listen, if we know that the "persons" our fingerprint to be recorded. But even we load everything into the net, only to get the benefits of them think, but not think about the consequences it can have. Should we not first consider whether we really need everything everywhere come hell have online? Only when safe systems for successful circuit, and everyone knows should be handled as with our own data, we also demand that a better way to spread this is.